Keith Hopkins (born 6 December 1943, Dagenham, Essex, England), known by his stage name Keith West, is a British rock singer, songwriter and music producer. He is a solo artist and also the lead singer of various groups including Tomorrow, a 1960s psychedelic rock band. West wrote most of his own songs (credited to Keith Hopkins), often in collaboration with Ken Burgess. Despite critical acclaim and support from BBC Radio 1 DJ John Peel, who featured Tomorrow on his The Perfumed Garden show, the group was not a major commercial success.

In 1964, West became lead singer of the In Crowd, a band from London, who later changed their name to Tomorrow. The following year the In Crowd recorded three singles for Parlophone. Another member of these groups was guitarist Steve Howe, later of the band Yes.